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Consider the subsequent relation
Professor (Pfcode, dept, head, time)
It is assumed that
(i) A professor can work in much more than one dept.
(ii) The time he spends in every dept is given.
(iii) Every dept has only one head
Draw the dependency diagram for the above relation by recognizing the dependencies.
Ans:
Dependency Diagram
Design Documentation The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip
HOW MANY TYPES OF VIEWS
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Although how will the system recover The selection of REDO or UNDO for a transaction for the recovery is completed on the basis of the state of the transactions. This state is
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
Explain in details about Data Sharing
what is 3nf
does tables are called relations
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